81406353

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{5303}}^1$

素因数の和:5373

約数の個数: 32

約数和(自身を含む): 134424576

約数和(自身を除く): 53018223

約数列:

[1, 3, 7, 17, 21, 43, 51, 119, 129, 301, 357, 731, 903, 2193, 5117, 5303, 15351, 15909, 37121, 90151, 111363, 228029, 270453, 631057, 684087, 1596203, 1893171, 3876493, 4788609, 11629479, 27135451, 81406353]

約数ペア:

[(1, 81406353), (3, 27135451), (7, 11629479), (17, 4788609), (21, 3876493), (43, 1893171), (51, 1596203), (119, 684087), (129, 631057), (301, 270453), (357, 228029), (731, 111363), (903, 90151), (2193, 37121), (5117, 15909), (5303, 15351)]